A: Yes, JDeveloper 12.2.1.4 is a free IDE provided by Oracle Corporation.
: /usr/java/jdk1.8.0_211/bin/java -jar V998597-01.jar How to Check and Update the JDK Path Inside JDeveloper
If you are facing a during installation, Share public link jdeveloper 12.2.1.4 java version
Attempting to initialize the generic installation jar using a Java 11 or Java 17 executable throws explicit lifecycle errors or crashes the underlying installer wizard. Step-by-Step Installation Using the Correct Java Version
The question "What Java version does JDeveloper 12.2.1.4 use?" has a clear, authoritative answer: While later JDK 8 updates may work, they are not officially certified and can introduce subtle integration bugs. Avoid JDK 9+ entirely. A: Yes, JDeveloper 12
"Compiling with a different JDK version and running with a different one is causing the error. Use JDK 8 for both."
Oracle JDeveloper 12.2.1.4 relies on strict baseline requirements to prevent compile-time crashes and visual designer glitches. Certified Specification / Version Oracle JDK 1.8.0_191+ (JDK 8u211 or newer recommended) Maximum Java Version Strictly less than Java 1.9 (Java 9) Runtime Target Architecture 64-bit JVM only Bundled Application Server Oracle WebLogic Server 12.2.1.4 Alternative Server GlassFish 4.1 (For ADF Essentials) Certified Database Targets Avoid JDK 9+ entirely
environment variable to point to your JDK installation directory. Verify the installation by running java -version
The Java version requirement also dictates the deployment target. Applications built with JDeveloper 12.2.1.4 produce Java bytecode compatible with Java SE 8. Consequently, the production WebLogic Server (typically version 12.2.1.4 as well) must also run on JDK 8. While it is theoretically possible to deploy a JDK 8-compiled application to a JDK 11 runtime, doing so requires careful migration of dependencies and JNDI resources, and it is not supported for core Oracle ADF applications. Thus, the choice of JDeveloper version locks the entire pipeline—from development IDE to build servers to production—into the JDK 8 ecosystem.
This hard ceiling exists because JDeveloper 12.2.1.4 relies on legacy Java EE deployment routines, internal class visibility behaviors unique to the Java 8 JVM, and native libraries compiled specifically against JDK 8 specifications. 💾 Pre-installation Setup: Deploying the Correct Java JDK